347 Stainless Steel Pipes Supplier and Exporter | Leoscor Alloy Pipes
347 Stainless Steel Pipes supplied by Leoscor Alloy Pipes are stabilized austenitic stainless steel pipes designed for high-temperature applications requiring excellent strength, corrosion resistance, and long-term reliability.
These pipes are specially developed for environments where conventional stainless steel grades may lose strength after prolonged heat exposure or welding. The addition of niobium provides improved structural stability and helps prevent intergranular corrosion, making SS 347 Pipes suitable for demanding industrial conditions.
Leoscor Alloy Pipes is a trusted manufacturer, stockist, and exporter of 347 Stainless Steel Pipes supplied in seamless, welded, ERW, EFW, and fabricated forms. Our pipes are available in various sizes, shapes, and specifications to meet the requirements of different industries.
347 Stainless Steel Pipes are niobium-stabilized austenitic stainless steel pipes designed to maintain strength and corrosion resistance at elevated temperatures. The niobium addition improves resistance against carbide precipitation, making these pipes suitable for welding and high-temperature service.
Also known as A312 TP347 Pipes, UNS S34700 Pipes, and DIN 1.4550 Pipes, these pipes provide excellent toughness, durability, and resistance to oxidation in harsh working environments.
Equivalent Names of 347 Stainless Steel Pipes
| Equivalent Designation | Explanation |
|---|---|
| A312 TP347 Pipes | ASTM A312 TP347 is the standard specification designation for seamless and welded 347 stainless steel pipes used in high-temperature applications. |
|
UNS S34700 Pipes |
UNS S34700 is the unified numbering system designation for niobium-stabilized 347 stainless steel pipes. |
|
DIN 1.4550 Pipes |
DIN 1.4550 is the European designation for stabilized stainless steel pipes used in heat-resistant industrial applications. |
Key Benefits of 347 Stainless Steel Pipes
347 Stainless Steel Pipes supplied by Leoscor Alloy Pipes offer the following advantages:
- Excellent High-Temperature Performance: Maintains strength and stability under continuous heat exposure.
- Niobium Stabilization: Helps prevent carbide precipitation and improves resistance against intergranular corrosion.
- Superior Corrosion Resistance: Performs effectively in oxidizing and high-temperature environments.
- Excellent Weldability: Suitable for welded structures and fabrication processes.
- Long Service Life: Provides reliable performance in demanding industrial conditions.
- High Mechanical Strength: Maintains durability under heat and pressure.
- Multiple Options Available: Supplied in seamless, welded, ERW, EFW, and fabricated forms.
SS 347 Pipes Specifications
Standard specifications for SS 347 Pipes. If any specification is not mentioned here, you can contact us. We also manufacture and export custom specifications as per client’s requirements.
| Specifications | Details |
|---|---|
| Specifications | ASTM A312 / ASME SA312, ASTM A358 / ASME SA358 |
| Dimensions | ASTM, ASME and API |
| SS 347 Pipes | 1/2″ NB – 16″ NB |
| ERW 347 Pipes | 1/2″ NB – 24″ NB |
| EFW 347 Pipes | 6″ NB – 100″ NB |
| Size | 1/8″ NB to 30″ NB |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipes, “U” Shape, Hydraulic Pipes |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End, Threaded |
347 SS Pipes Chemical Composition
| Grade | 347 | |
|---|---|---|
| min | max | |
| C | – | 0.08 |
| Mn | – | 2.0 |
| Si | – | 1.00 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 17.0 | 20.0 |
| Mo | 2.00 | 3.00 |
| Ni | 9.0 | 13.0 |
| N | – | – |
347 SS Pipes Mechanical Properties
| Grade | 347 | |
|---|---|---|
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 95 |
| Rockwell B (HR B) max | 201 | |
SS 347 Pipes Physical Properties
| Grade | 347 | |
|---|---|---|
| Density (kg/m3) | 8000 | |
| Elastic Modulus (GPa) | 193 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 17.2 |
| 0-3150C | 17.8 | |
| 0-5380C | 18.4 | |
| Thermal Conductivity (W/m.K) | at 1000C | 16.2 |
| at 5000C | 21.5 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
SS 347 Pipes Equivalent Grades
| Grade | 347 | |
| UNS No | S34700 | |
| Old British | BS | – |
| En | X6CrNiNb18-10 | |
| Euronorm | No | 1.4550 |
| Name | – | |
| Swedish SS | – | |
| Japanese JIS | SUS 347 | |
Types of Stainless Steel 347 Pipes
| SS 347 Welded Pipes | 347 Stainless Steel Welded Pipes |
| Steel 347 Welded Pipes | SS 347 Seamless Pipes |
| 347 Stainless Steel Seamless Pipes | Steel 347 Seamless Pipes |
| SS 347 ERW Pipes | 347 Stainless Steel ERW Pipes |
| Steel 347 ERW Pipes | SS 347 Fabricated Pipes |
| 347 Stainless Steel Fabricated Pipes | Steel 347 Fabricated Pipes |
| SS 347 LSAW Pipes | 347 Stainless Steel LSAW Pipes |
| Steel 347 LSAW Pipes | Stainless Steel 347 Pipes |
Stainless Steel 347 Pipes also known as
Stainless Steel 347 Welded Pipe, ASTM A 312 347 SS Cold Rolled Pipes Exporter, SS TP 347 ERW Pipe, TP 347 SS EFW Pipes, ASME SA312 Stainless Steel 347 Cold Drawn Pipes Supplier, AISI / JIS SS 347 Pipes, ASTM A213 SS 347 Round Pipes Exporter, Stainless Steel TP 347 Square Pipes, ASME SA213 347 SS Rectangular Pipes, SS 347 Hollow Pipes, 347 Steel Hexagonal Pipes Manufacturer
Stainless Steel 347 Pipes Price List
Leoscor Alloys is one of the most competitive suppliers of pipes and tubes from India. Our prices for SS 347 Pipes are very competitive.
Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. Leoscor Alloys maintains a stock of all standard items and can export them at best price for 347 Stainless Steel Seamless and Welded Pipes.
347 SS Pipes - Industries & Applications
Our pipes and tubes are used in a wide range of applications and various industries. Below are a few of them:
- Gas Processing Industries
- Petrochemical Industries
- Power Generation Industries
- Food Processing Industries
- Chemical Industries
- Oil & Gas Industries
- Fertilizers Industries
- Sugar Industries
Stainless Steel 347 Pipes Stock Availability
We maintain huge inventories of all standard sizes and grades. Please send us your complete requirement and we will send you the availability with the best quote for Stainless Steel 347 Pipes.
- Huge inventory of all standard sizes and grades.
- Distributors of all reputed origins and manufacturers.
- Strict quality control policies and highly experienced team.
- Strong logistics & delivery channels.
- Modern Infrastructure with huge storage capacity.
- An ISO 9000:2015 Certified Company.
Prominent Countries where we export 347 SS Pipes
Exporting Pipes & Tubes to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countires includes Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, South Korea, South Africa, Sri Lanka, Syria, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen.
We are one of the top:
- Pipes exporters to Singapore
- Pipes exporters to Malaysia
- Pipes exporters to Hongkong
- Pipes exporters to Thailand
- Pipes exporters to Indonesia
- Pipes exporters to Taiwan
